$ git clone -n https://src.fedoraproject.org/rpms/golang-gopkg-russross-blackfriday-1.git /var/lib/mock/f41-build-side-1-2811990-32934/root/chroot_tmpdir/scmroot/golang-gopkg-russross-blackfriday-1
Cloning into '/var/lib/mock/f41-build-side-1-2811990-32934/root/chroot_tmpdir/scmroot/golang-gopkg-russross-blackfriday-1'...
$ git fetch origin 171ff985165d045ed97ca951a8f06af13942d973:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-gopkg-russross-blackfriday-1
 * [new ref]         171ff985165d045ed97ca951a8f06af13942d973 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 171ff98 convert license to SPDX